R8A77850AADBGV Renesas Electronics America, R8A77850AADBGV Datasheet - Page 1170
R8A77850AADBGV
Manufacturer Part Number
R8A77850AADBGV
Description
IC SUPERH MCU 436-BGA
Manufacturer
Renesas Electronics America
Series
SuperH® SH7780r
Datasheet
1.R8A77850AADBGV.pdf
(1694 pages)
Specifications of R8A77850AADBGV
Core Processor
SH-4A
Core Size
32-Bit
Speed
600MHz
Connectivity
Audio Codec, MMC, Serial Sound, SCI, SIO, SPI, SSI
Peripherals
DMA, POR, WDT
Number Of I /o
108
Program Memory Type
ROMless
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
1 V ~ 1.2 V
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
436-BGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
R8A77850AADBGV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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22. Serial I/O with FIFO (SIOF)
Table 22.12 Conditions to Issue Receive Request
Note:
The number of stages of the FIFO is always sixteen even if the data area or empty area exceeds the
FIFO size. Accordingly, an overflow error or underflow error occurs if data area or empty area
exceeds sixteen FIFO stages.
The FIFO transmit or receive request is canceled when the above condition is not satisfied even if
the FIFO is not empty or full.
(3)
The number of FIFO stages used in transmission and reception is indicated by the following
register.
• Transmit FIFO: The number of empty FIFO stages is indicated by the TFUA4 to TFUA0 bits
• Receive FIFO: The number of valid data stages is indicated by the bits RFUA4 to RFUA0 bits
Rev.1.00 Jan. 10, 2008 Page 1138 of 1658
REJ09B0261-0100
RFWM2 to
RFWM0
000
100
101
110
111
in SIFCTR.
in SIFCTR.
The above indicates possible data numbers that can be transferred by the CPU or DMAC.
Number of FIFOs
*
The number of requested stages is the number of stages in transmit/receive FIFO.
Number of
Requested Stages*
1
4
8
12
16
Receive Request
Valid data is 1 stage or more
Valid data is 4 stages or more
Valid data is 8 stages or more
Valid data is 12 stages or more
Valid data is 16 stages
Used Areas
Smallest
Largest
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